
Glow-worm
Glow-worm Compressor Heater 0020086294
Compressor heater (carter resistance) for Glow-worm Envirosorb 8, 10 and 14 air/water heat pumps, part 0020086294.
At a glance
- Also known as 1340012
£76.50
£63.75 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The compressor heater, listed in parts catalogues as a carter resistance, is a Glow-worm component used on the Envirosorb air/water heat pump range. It warms the compressor crankcase so that refrigerant does not migrate into the oil during off cycles, helping the compressor start cleanly and run with proper lubrication. It is supplied under part number 0020086294.
Signs this part needs replacing
- The compressor is cold to the touch before start-up, indicating the crankcase heater is not energising.
- Continuity testing across the heater element shows an open circuit.
- The heater circuit repeatedly trips the protective device when power is applied.
- The heat pump is noisy or rough on start-up after long off periods, suggesting refrigerant has migrated into the compressor oil.
- Visible damage, burning or discolouration at the heater body or its terminals.
Before you order
- Confirm the exact model of your Envirosorb heat pump against the fit list above.
- Check the part number 0020086294 against the manufacturer's parts list for your appliance.
- Inspect the existing heater's mounting and terminal arrangement before removal so the replacement can be fitted the same way.
- Isolate the electrical supply to the heat pump before carrying out any inspection or replacement work.
Compliance
| Alternative numbers | 1340012 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM ENVIROSORB 10 AIR/WATER HEAT PUMP | — | — | — | |
| GLOWWORM ENVIROSORB 14 AIR/WATER HEAT PUMP | — | — | — | |
| GLOWWORM ENVIROSORB 8 AIR/WATER HEAT PUMP | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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